28068319 has 2 divisors, whose sum is σ = 28068320. Its totient is φ = 28068318.

The previous prime is 28068307. The next prime is 28068331. The reversal of 28068319 is 91386082.

It is a balanced prime because it is at equal distance from previous prime (28068307) and next prime (28068331).

It is a cyclic number.

It is not a de Polignac number, because 28068319 - 2¹⁹ = 27544031 is a prime.

It is a super-2 number, since 2×28068319² = 1575661062971522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28068389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14034159 + 14034160.

It is an arithmetic number, because the mean of its divisors is an integer number (14034160).

Almost surely, 2^28068319 is an apocalyptic number.

28068319 is a deficient number, since it is larger than the sum of its proper divisors (1).

28068319 is an equidigital number, since it uses as much as digits as its factorization.

28068319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 28068319 is about 5297.9542278128. The cubic root of 28068319 is about 303.9056688796.

The spelling of 28068319 in words is "twenty-eight million, sixty-eight thousand, three hundred nineteen".